Group are assembling opposition playbooks against Donald Trump, Ted Cruz and others

With growing uncertainty about who will emerge as the GOP presidential nominee, Democrats are assembling opposition playbooks against Donald Trump, Sen. Ted Cruz or a Republican-to-be-named-later.

Early in the campaign, they mined the backgrounds of former Florida Gov. Jeb Bush and Wisconsin Gov. Scott Walker. At another point, they turned their attention to Florida Sen. Marco Rubio, and research of Ohio Gov. John Kasich is continuing.